4'-Methanesulfonyl-2-trifluoromethyl-biphenyl-4-ylamine 、
N,N'-硫羰基二咪唑 在
silica gel 作用下,
以
二氯甲烷 为溶剂,
以Flash chromatography (35% ethyl acetate-hexanes) afforded 4-isothiocyanato-4′-methanesulfonyl-2-trifluoromethyl-biphenyl (1.18 g, 81%) as a white solid的产率得到